Home / 11,132.96-15,363.28-6,417.44

Finding the Fourth Proportional to 11,132.96, 15,363.28 and 6,417.44

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Solution

The fourth proportional to 11,132.96, 15,363.28 and 6,417.44 is: 8,855.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,132.96 : 15,363.28 = 6,417.44 : x
  2. Step 2: Convert to fraction form
    11,132.96/15,363.28 = 6,417.44/x
  3. Step 3: Cross multiply
    11,132.96x = 15,363.28 × 6,417.44
  4. Step 4: Simplify right side
    11,132.96x = 98,592,927.60
  5. Step 5: Solve for x
    x = 98,592,927.60/11,132.96
  6. Step 6: Final answer
    x = 8,855.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.